Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1.5x+3.5(80-x) <= 212 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1.5 * x + 3.5 * ( 80 - x ) <= 212         (1)

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    From inequality(1)：
         x ≥ 34

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    The final solution set is :
         x ≥ 34

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